<template>
	<view class="content">
		<view class="navbar" v-if="showNavbar">
			<view 
				v-for="(item, index) in navList" :key="index" 
				class="nav-item" 
				:class="{current: tabCurrentIndex === index}"
				@click="tabClick(index)"
			>
				{{item.text}} 
				<tui-badge v-if="index>0 && state_counts[index-1]"
					type="danger" 
					size="small" 
					:absolute="true"
					top="5rpx"
				>{{state_counts[index-1]}}</tui-badge>
			</view>
		</view>
		
		<view v-if="!hasLogin" style="padding: 70px;text-align: center;">
			您还未登陆，登陆后方可查看订单
			<button type="warn" @tap="bindLogin(1)" @getuserinfo="bindLogin" open-type="getUserInfo"  withCredentials="true" >登录</button>
		</view>
		
		<swiper :current="tabCurrentIndex" :class=" showNavbar ? 'swiper-box' : 'swiper-box2' " duration="300" @change="changeTab" v-if="hasLogin">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view  class="list-scroll-content" scroll-y  @scrolltolower="loadData" >
					<!-- 空白页 -->
					<view class="empty-data" v-if="tabItem.loaded === true && !tabItem.orderList.length">
						<view class="iconfont">&#xe869;</view>暂无订单
					</view>
					
					<!-- 订单列表 -->
					<view style="overflow: auto;">
						<view 
							v-for="(item,index) in tabItem.orderList" :key="index"
							class="order-item"
						>
							<view class="i-top b-b" >
								<text style="width:260upx;flex:1;" >{{item.create_time}}</text>
								<text class="state" :style="{color: item.stateTipColor}">{{item.stateTip}}</text>
							</view>
						
							<scroll-view v-if="item.goodsList.length > 1" class="goods-box" scroll-x @click="orderDetailed(item)">
								<view
									v-for="(goodsItem, goodsIndex) in item.goodsList" :key="goodsIndex"
									class="goods-item"
								>
									<image class="goods-img" :src="server_url + goodsItem.image" mode="aspectFill"></image>
								</view>
							</scroll-view>
							
							<view  v-if="item.goodsList.length === 1" 
								class="goods-box-single"
								v-for="(goodsItem, goodsIndex) in item.goodsList" :key="goodsIndex"
								@click="orderDetailed(item)"
							>
								<image class="goods-img" :src="server_url +  goodsItem.image" mode="aspectFill"></image>
								<view class="right">
									<text class="title clamp">{{goodsItem.goods_name}}</text>
									<text class="attr-box">数量： {{goodsItem.goods_count}}</text>
									<!-- <text class="price">{{goodsItem.price}}</text> -->
								</view>
							</view>
							<view class="price-box">
								共<text class="num">{{item.goodsList.length}}</text>件商品&nbsp;&nbsp;
								优惠<text class="num" style="margin-right:10px;"> ￥{{item.discount_money}}</text>
								实付款<text class="price">{{item.order_money}}</text>
							</view>
							<view class="action-box b-t">
								<button class="action-btn" @click="cancelOrder(item)" v-if="item.state == 1">关闭订单</button>
								<button class="action-btn" @click="deleteOrder(item,index)" v-if="item.state == 0">删除记录</button>
								<button class="action-btn" v-if="item.state == 5" @click="contact(item)" >联系商家</button>
								<button class="action-btn" @click="orderDetailed(item)">订单详情</button>
								<button class="action-btn recom" @click="payment(item)" v-if="item.state == 1">立即支付</button>
								<button class="action-btn recom" v-if="item.state == 3" @click="updateOrderState(item,4,'确定收货？')"  >确认收货</button>
								<button class="action-btn recom" v-if="item.state == 4" @click="evaluate(item)" >去评价</button>
							</view>
						</view>
					</view>
					 
					<uni-load-more  v-if='tabItem.orderList.length > 3 || tabItem.loaded !== true'
						:status="tabItem.loadingType"  
						:style="{'padding-top':(tabItem.loaded !== true ? '70upx':'0')}"
					></uni-load-more>
					
				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template> 

<script>
	import { mapState, mapActions} from 'vuex'
	import config from '@/config/config'
	import uniLoadMore from '@/components/uni-ui/uni-load-more/uni-load-more';
	import tuiBadge from "@/components/thor-ui/tui-badge/tui-badge"
	export default {
		components: {
			uniLoadMore,tuiBadge
		},
		computed: mapState(['forcedLogin', 'hasLogin', 'userInfo']),
		data() {
			return {
				showNavbar:true,
				server_url:(config.debug ? config.debugUrl : config.serverUrl).replace("index.php/","/"),
				tabCurrentIndex: 0,
				navList: [
					{ page:1, state: 0, text: '全部', loadingType: 'more', orderList: [] },
					{ page:1, state: 1, text: '待付款', loadingType: 'more', orderList: [] },
					{ page:1, state: 2, text: '待发货', loadingType: 'more', orderList: [] },
					{ page:1, state: 3, text: '待收货', loadingType: 'more', orderList: [] },
					{ page:1, state: 4, text: '待评价', loadingType: 'more', orderList: [] }
					//,{ page:1, state: 5, text: '售后', loadingType: 'more', orderList: [] }
				],
				state_counts:[0,0,0,0]
			};
		},
		onLoad(options){
			this.tabCurrentIndex = + (options.state || 0);
		},
		onShow(){
;			this.tabCurrentIndex = ( uni.getStorageSync("showOrdersState")  || 0);
			this.loadData(1);
		},
		onPullDownRefresh(){
			this.loadData("downRefresh");
		},
		onTabItemTap(){
			// 红点
			// uni.showTabBarRedDot({index: 1});
			// uni.hideTabBarRedDot({index:1});
		},
		methods: {
			...mapActions(['autoModeLogin']),
			//获取订单列表
			loadData(source){
				//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let state = navItem.state;
				// 未登陆
				if(!this.hasLogin) return uni.stopPullDownRefresh();
				
				// 上拉加载
				if(navItem.loadingType === 'noMore' && source && source.mp ) return false;
				//防止重复加载
				if(navItem.loadingType === 'loading') return;
				// 下拉刷新-重置分页为1
				if(source=='downRefresh') this.$set(navItem, 'page',1);
				
				//用于下拉加载-自增分页
				if(source && typeof source == "object") this.$set(navItem, 'page', (navItem.page || 1) + 1);
				
				//显示加载
				navItem.loadingType = 'loading';
				
				this.$request("/app/v1/Order/getOrderList",{
					page: (navItem.page || 1),
					state: state
				}, true ).then((res)=>{
					let data = res.data;
					
					// 下拉刷新完成-关闭
					if(source=='downRefresh') uni.stopPullDownRefresh();
					
					// 数量
					this.state_counts = data.state_counts || 0;
					
					//缓存起来
					uni.setStorageSync("ordersData",data.order_data || []);
					
					// 选项卡赋值
					navItem.orderList = (data && data.order_data || []).filter(item=>{
						//添加不同状态下订单的表现形式
						item = Object.assign(item, this.orderStateExp(item.state));
						//演示数据所以自己进行状态筛选
						if(state === 0){
							//0为全部订单
							return item;
						}
						return item.state === state
					});
					
					//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
					this.$set(navItem, 'loaded', true);
					
					//判断是否还有数据， 有改为 more， 没有改为noMore 
					navItem.loadingType = data.count >= data.all_count ? 'noMore' : 'more';
					
				}).catch(res=>{  
					// 下拉刷新完成-关闭
					if(source=='downRefresh') uni.stopPullDownRefresh();
					// 清空缓存
					uni.setStorageSync("ordersData", null);
					//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
					this.$set(navItem, 'loaded', true);
					navItem.loadingType = 'noMore';
				});
			}, 
			//swiper 切换
			changeTab(e){
				this.tabCurrentIndex = e.target.current;
				uni.setStorageSync("showOrdersState", e.target.current );
				this.loadData('tabChange');
			},
			//顶部tab点击
			tabClick(index){
				this.tabCurrentIndex = index;
			},
			//删除订单
			deleteOrder(item,index){
				let that = this;
				this.$util.modal("确定删除订单？",()=>{
					that.$request("/app/v1/Order/deleteOrder",{
						order_no:item.order_no,
					}).then((res)=>{
						that.navList[that.tabCurrentIndex].orderList.splice(index, 1);
					});
				});
			},
			//关闭订单
			cancelOrder(item){
				let that = this;
				this.$util.modal("确定关闭订单？",()=>{
					that.$request("/app/v1/Order/setOrderState",{
						order_no:item.order_no,
						state:0
					}).then((res)=>{
						let {stateTip, stateTipColor} = that.orderStateExp(0);
						item = Object.assign(item, {
							state: 0,
							stateTip, 
							stateTipColor
						});
						//取消订单后删除待付款中该项
						let list = that.navList[1].orderList;
						let index = list.findIndex(val=>val.id === item.id);
						index !== -1 && list.splice(index, 1);
						//刷新头部红点
						that.state_counts = that.state_counts.map(function(num,index){
							if(index + 1 == 1){
								return num - 1; 
							}
							return num; 
						});
					});
				});
			},
			//订单状态文字和颜色
			orderStateExp(state){
				let stateTip = '',
					stateTipColor = '#D9522D';
				switch(+state){
					case 0:
						stateTip = '交易取消'; 
						stateTipColor = '#909399';
						break;
					case 1:
						stateTip = '待付款'; 
						break;
					case 2:
						stateTip = '待发货';
						break;
					case 3:
						stateTip = '待收货'; 
						break;
					case 4:
						stateTip = '待评价'; 
						break;	
					case 5:
						stateTip = '交易完成';
						break;
					case 10:
						stateTip = '退款申请中'; 
						break;
					case 11:
						stateTip = '退款申请通过-待退货'; 
						break;
					case 12:
						stateTip = '已收到退货-待退款'; 
						break;		
					case 13:
						stateTip = '退款完成'; 
						break;
					case 14:
						stateTip = '申请被驳回'; 
						break;						
				}
				return {stateTip, stateTipColor};
			},
			
			//订单明细 
			orderDetailed(item){
				uni.navigateTo({ url: '/pages/order/orderDetail?mode=1&order_no=' +item.order_no})
			},
			
			// 立即支付
			payment(item){
				uni.navigateTo({ url: '/pages/money/pay?order_no=' +item.order_no})
			},
			
			// 更新订单状态
			updateOrderState(item,state,content){
				var that = this;
				this.$util.modal(content,()=>{
					that.$request("/app/v1/Order/setOrderState",{
						order_no:item.order_no,
						state:state,
					}).then((res)=>{
						that.loadData(1);
					});
				});
			},
			
			// 去评价
			evaluate(item){
				uni.navigateTo({ url: '/pages/order/issue?order_no=' +item.order_no})
			},
			
			// 联系商家
			contact(item){
				
			},
			
			// 登录
			bindLogin(mode){
				this.autoModeLogin(mode).then(()=>{
					this.loadData(1);
				}).catch(res=>{   
					
				});
			}
		},
	}
</script>

<style lang="scss">
	page, .content{
		background: $page-color-base;
		height: 100%;
	}
	.swiper-box{
		height: calc(100% - 40px);
	}
	.swiper-box2{
		height: 100%;
	}
	.list-scroll-content{
		height: 100%;
		width: 100%;
	}
	
	.navbar{
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0,0,0,.06);
		position: relative;
		z-index: 10;
		.nav-item{
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;
			&.current{
				color: $base-color;
				&:after{
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item{
		height: auto;
	}
	.order-item{
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;
		margin-bottom: 16upx;
		.i-top{
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right:30upx;
			font-size: $uni-font-size-base;
			color: $font-color-dark;
			position: relative;
			border-bottom: 1px solid #E4E7ED;
			.time{
				flex: 1;
			}
			.state{
				color: $base-color;
			}
			.del-btn{
				padding: 10upx 0 10upx 36upx;
				font-size:40upx;
				color: $font-color-light;
				position: relative;
				&:after{
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}
		
		/* 多条商品 */
		.goods-box{
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;
			width: calc(100vw - 50upx);
			.goods-item{
				width: 150upx;
				height: 150upx;
				display: inline-block;
				margin-right: 24upx;
			}
			.goods-img{
				display: block;
				width: 100%;
				height: 100%;
			}
		}
		/* 单条商品 */
		.goods-box-single{
			display: flex;
			padding: 20upx 0;
			.goods-img{
				display: block;
				width: 150upx;
				height: 150upx;
			}
			.right{
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;
				.title{
					font-size: $uni-font-size-base + 2upx;
					color: $font-color-dark;
					line-height: 1.2;
				}
				.attr-box{
					font-size: $uni-font-size-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 0;
				}
				.price{
					font-size: $uni-font-size-base + 2upx;
					color: $font-color-dark;
					&:before{
						content: '￥';
						font-size: $uni-font-size-sm;
						margin: 0;
					}
				}
			}
		}
		
		.price-box{
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			padding-top: 0;
			font-size: $uni-font-size-sm + 2upx;
			color: $font-color-light;
			.num{
				margin: 0 8upx;
				color: $font-color-dark;
			}
			.price{
				font-size: $uni-font-size-lg;
				color: $font-color-dark;
				&:before{
					content: '￥';
					font-size: $uni-font-size-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}
		.action-box{
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
			border-top: 1px solid #E4E7ED;
		}
		.action-btn{
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $uni-font-size-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;
			&:after{
				border-radius: 100px;
			}
			&.recom{
				background:$base-color;
				color: #fff;
				&:after{
					border-color: #f7bcc8;
				}
			}
		}
	}
	
	
	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}
	
	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}
	
	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}
	
	.uni-load-more__img>view {
		position: absolute
	}
	
	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}
	
	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}
	
	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}
	
	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}
	
	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}
	
	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}
	
	.load2 {
		transform: rotate(30deg)
	}
	
	.load3 {
		transform: rotate(60deg)
	}
	
	.load1 view:nth-child(1) {
		animation-delay: 0s
	}
	
	.load2 view:nth-child(1) {
		animation-delay: .13s
	}
	
	.load3 view:nth-child(1) {
		animation-delay: .26s
	}
	
	.load1 view:nth-child(2) {
		animation-delay: .39s
	}
	
	.load2 view:nth-child(2) {
		animation-delay: .52s
	}
	
	.load3 view:nth-child(2) {
		animation-delay: .65s
	}
	
	.load1 view:nth-child(3) {
		animation-delay: .78s
	}
	
	.load2 view:nth-child(3) {
		animation-delay: .91s
	}
	
	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}
	
	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}
	
	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}
	
	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}
	
	@-webkit-keyframes load {
		0% {
			opacity: 1
		}
	
		100% {
			opacity: .2
		}
	}
</style>
